Home / 30,131,740.23-41,582,150.58-16,720,680.79

Finding the Fourth Proportional to 30,131,740.23, 41,582,150.58 and 16,720,680.79

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Solution

The fourth proportional to 30,131,740.23, 41,582,150.58 and 16,720,680.79 is: 23,074,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131,740.23 : 41,582,150.58 = 16,720,680.79 : x
  2. Step 2: Convert to fraction form
    30,131,740.23/41,582,150.58 = 16,720,680.79/x
  3. Step 3: Cross multiply
    30,131,740.23x = 41,582,150.58 × 16,720,680.79
  4. Step 4: Simplify right side
    30,131,740.23x = 695,281,866,409,893.25
  5. Step 5: Solve for x
    x = 695,281,866,409,893.25/30,131,740.23
  6. Step 6: Final answer
    x = 23,074,733.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.